Year	% of GDP
1960	58.556471828071345
1961	66.75669076293264
1962	69.25622674659658
1963	66.71196919396934
1964	63.242928234362594
1965	59.36722213076451
1966	58.6642320844171
1967	61.32452805174257
1968	61.53368473961951
1969	59.6148469957581
1970	57.817886269624964
1971	57.531632000896
1972	57.012241860684334
1973	55.3011525861759
1974	53.19374204561731
1975	54.72185445275536
1976	53.39973532776605
1977	52.84841039355162
1978	53.70286761355481
1979	52.18646438297655
1980	52.54826695647091
1981	55.961269880528356
1982	56.16387937727817
1983	56.15290786390952
1984	56.77138969722903
1985	57.467108396198476
1986	58.915966669803986
1987	57.900585283475706
1988	58.31205654902513
1989	59.0957661364649
1990	59.53257469191563
1991	62.087503813722996
1992	62.029003325177555
1993	60.846501720675136
1994	60.34432231047585
1995	60.23163603064171
1996	60.2044400516355
1997	60.21289156342381
1998	59.9614801018339
1999	59.492850059228275
2000	58.97566685544569
2001	58.34112989683168
2002	57.11073631908003
2003	56.22725856529909
2004	54.70293495416551
2005	54.08285586617502
2006	52.51187304451024
2007	51.35300723824725
2008	49.936348314301085
2009	49.593741572406415
2010	48.87276588331003
2011	48.38233777073282
2012	48.38428208282879
2013	48.39764317025074
2014	48.44573406564639
2015	48.341867205024904
2016	48.60214473783186
2017	48.35667601450655
2018	47.471733262811085
2019	47.97372054731774
2020	46.44974295419015
2021	45.53828635482801
2022	45.72209278767078